多孔泡沫状CuO微纳米纤维的制备及用于无酶葡萄糖传感器
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摘要
以静电纺丝技术结合煅烧工艺制备多孔泡沫状Cu O微纳米纤维.通过SEM,IR及XRD对材料进行形貌与结构表征.样品表面粗糙且呈多孔泡沫状.利用该材料对玻碳电极进行修饰,并检测修饰电极对葡萄糖的电氧化性能,发现该电极对葡萄糖的检测灵敏度为6.17μA·L·mmol~(-1)·cm~(-2),检测限为65.3μmol/L.同时,该电极对抗坏血酸、尿酸和乙醇表现出良好的抗干扰性.这些优良的性能取决于Cu O特殊的形貌.多孔泡沫结构有助于增大比表面积从而提高与葡萄糖的反应活性.研究表明,多孔泡沫状Cu O微纳米纤维在无酶葡萄糖传感器方面具有潜在应用价值.
A non-enzymatic glucose sensor using novel porous foamy CuO micro-nanofibers was fabricated through electrospinning and subsequent calcination.Scanning electron microscopy(SEM),Fourier transform infrared spectrum(FTIR)and X-ray differaction(XRD)techniques were used for the morphology and structural characterization of CuO nanostructures.CuO micro-nanofibers are highly dense,uniform,and exhibited good crystalline array structure.Most of all,the product presents a special rough foamy morphology with many pores,which help to enlarge the specific surface area thereby enhancing the activity of electrooxidation of glucose.The prepared CuO micro-nanofibers were subsequently used to modify a glassy carbon electrode and then detailed investigated for direct electrocatalytic oxidation of glucose through cyclic voltammetry and chronoamperometry.The results manifest that the modified electrode has a good sensitivity of 6.17 μA·L·mmol~(-1)·cm~(-2) and a low detection limit of 65.3 μmol/L.Moreover,it exhibits a good antiinterference to ascorbic acid(AA),uric acid(UA)and ethanol as well.The improved performances were ascribed to the high surface-to-volume ratio and the special morphology.Therefore,it concluded that the porous foamy CuO micro-nanofibers can be a promising non-enzyme glucose sensor.
A non-enzymatic glucose sensor using novel porous foamy CuO micro-nanofibers was fabricated through electrospinning and subsequent calcination.Scanning electron microscopy(SEM),Fourier transform infrared spectrum(FTIR)and X-ray differaction(XRD)techniques were used for the morphology and structural characterization of CuO nanostructures.CuO micro-nanofibers are highly dense,uniform,and exhibited good crystalline array structure.Most of all,the product presents a special rough foamy morphology with many pores,which help to enlarge the specific surface area thereby enhancing the activity of electrooxidation of glucose.The prepared CuO micro-nanofibers were subsequently used to modify a glassy carbon electrode and then detailed investigated for direct electrocatalytic oxidation of glucose through cyclic voltammetry and chronoamperometry.The results manifest that the modified electrode has a good sensitivity of 6.17 μA·L·mmol~(-1)·cm~(-2) and a low detection limit of 65.3 μmol/L.Moreover,it exhibits a good antiinterference to ascorbic acid(AA),uric acid(UA)and ethanol as well.The improved performances were ascribed to the high surface-to-volume ratio and the special morphology.Therefore,it concluded that the porous foamy CuO micro-nanofibers can be a promising non-enzyme glucose sensor.
引文
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[2]Yu S.J.,Peng X.,Cao G.Z.,Zhou M.,Qiao L.,Yao J.,He H.,Electrochimica Acta,2012,76,512-517
[3]Wang W.,Li Z.Y,Zheng W.,Dong B.,Li S.,Wang C.,J.Nanosci.Nanotechno.,2010,10(11),7537-7540
[4]Li Y.,Song Y.Y,Yang C.,Xia X.H.,Electrochem.Commun.,2007,9(5),981-988
[5]Park S.,Chung T.D.,Kim H.C.,Anal.Chem.,2003,75(13),3046-3049
[6]Liu Y.X.,Ding Y.,Zhang Y.C.,Lei Y.,Sens.Actuators B,2012,171,954-961
[7]Sahay R.,Kumar P.S.,Aravindan V.,Sundaramurthy J.,Ling W.C.,Mhaisalkar S.G.,Ramakrishna S.,Madhavi S.,J.Phys.Chem.C,2012,116(34),18087-18092
[8]Wu H.,Lin D.D.,Pan W.,Appl.Phys.Lett.,2006,89(13),133125-1-133125-3
[9]Savva I.,Kalogirou A.S.,Chatzinicolaou A.,Papaphilippou P.,Pantelidou A.,Vasile E.,Vasile E.,Koutentis P.A.,Krasiachristoforou T.,RSC Adv.,2014,4(85),44911-44921
[10]Deshawar D.,Chokshi P.,Polymer,2017,131,34-49
[11]Wittmer C.R.,Hebraud A.,Nedjari S.,Schlatter G.,Polymer,2014,55(22),5781-5787
[12]Dai Y.Q.,Liu W.Y.,Formo E.,Sun Y.,Xia Y.,Polym.Adv.Technol.,2011,22(3),326-338
[13]Dersch R.,Steinhart M.,Boudriot U.,Greiner A.,Wendorff J.H.,Polym.Adv.Technol.,2005,16,276-282
[14]Nie G.D.,Li S.K.,Lu X.F.,Wang C.,Chem.J.Chinese Universities,2013,34(1),15-29(乜广第,力尚昆,卢晓峰,王策.高等学校化学学报,2013,34(1),15-29)
[15]Wang W.,Zhang L.,Tong S.,Li X.,Song W.,Biosens.Bioelectron.,2009,25,708-714
[16]Ding Y.,Wang Y.,Zhang L.C.,Zhang H.,Lei Y.,J.Mater.Chem.,2012,22,980-986
[17]Liu M.,Wang Y.,Cheng Z.,Zhang M.,Hu M.,Li J.,Appl.Surf.Sci.,2014,313,360-367
[18]Liu M.,Wang Y.,Lu D.,J.Mater.Sci.,2019,54,3354-3367
[19]Sharmila G.,Pradeep S.R.,Sandiya K.,Santhiya S.Muthukumaran C.,Jeyanthi J.,Kumar M.N.,Thirumarimurugan M.,J.Mol.Struct.,2018,1165,288-292
[20]Feng L.,Wang R.,Zhang Y.,Ji S.,Chuan Y.,Zhang W.,Liu B.,Yuan C.,Du C.,J.Mater.Sci.,2019,54,1520-1528
[21]Tian K.,Prestgard M.,Tiwari A.,Mat.Sci.Eng.C,2014,41,100-118
[22]Gou X.,Sun S.,Yang Q.,Li P.,Liang S.,Zhang X.,Yang Z.,New J.Chem.,2018,42,6364-6369
[23]Wu G.,Song X.,Wu Y.,Chen X.,Luo F.,Chen X.,Talanta,2013,105,379-385
[24]Bo X.,Bai J.,Yang L.,Guo L.,Sensors Actuators,2011,157,662-668
[25]Liu A.,Ren Q.,Xu T.,Yuan M.,Tang W.,Sensors Actuators,2012,162,135-142
[26]Kwon S.Y.,Kwen H.D.,Choi S.H.,J.Sens.,2012,2012,1-8
[27]Zhang X.,Gu A.,Wang G.,Wei Y.,Wang W.,Wu H.,Fang B.,Cryst.Eng.Commun.,2010,12,1120-1126
[28]Wang M.F.,Huang Q.A.,Li X.Z.,Wei Y.,Anal.Methods,2012,4,3174-3179